/**
 * @(#)CartService.java 2011
 *
 * Copyright 2011 classic-commerce
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 */

package ca.ioniq.server.service;

import java.util.List;

import ca.ioniq.server.service.exception.CartException;
import ca.ioniq.server.service.impl.CartServiceImpl;
import ca.ioniq.shared.entity.Cart;
import ca.ioniq.shared.entity.Item;

import com.google.inject.ImplementedBy;

/**
 * Keep track of user items in the cart. This class should be session scope and
 * lazy-loaded if no cart exists for the user, otherwise, eager loaded.
 *
 * Date: 06/02/11
 *
 * @author: <a href="mailto:richard@ioniq.ca">Richard Mutezintare</a>
 */

@ImplementedBy(CartServiceImpl.class)
public interface CartService {
	
	Cart createCart(Cart cart);

	void updateCart(Long cartId, List<Item> items) throws CartException;

	Cart viewCart(long cartId);
}
